The Warren Watch Company sells watches for $$27,$ fixed costs are $$170,000,$ and variable costs are $$11$ per watch.

a$.$ What is the firm's aain or loss at sales of $10,000$ watches? Loss, if any, should be indicated by a minus sign. Round your answer to the nearest cent. $

What is the firm's aain or loss at sales of $18,000$ watches? Loss, if any, should be indicated by a minus sign. Round your answer to the nearest cent. $

b$.$ What is the break$-$even point $($unit sales$)?$ Round your answer to the nearest whole number. units

c$.$ price was raised to $$32?$